fix 1138 forcing cryptography version 2.5 or higher

Some fixing in devops-stages/stage-build
Use US18.04 for Dockerfile used for devops-stages

Change-Id: Ia2cb09e21efe11a22013de48b2404f5ead949a71
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/test-docker/Dockerfile-devops b/test-docker/Dockerfile-devops
index 855ef81..5f094ab 100644
--- a/test-docker/Dockerfile-devops
+++ b/test-docker/Dockerfile-devops
@@ -24,7 +24,7 @@
     && python3 -m pip install --upgrade pip && python3 -m pip install pyangbind networking-l2gw
 
 ARG REPOSITORY_BASE=http://osm-download.etsi.org/repository/osm/debian
-ARG RELEASE=ReleaseSIX-daily
+ARG RELEASE=ReleaseEIGHT-daily
 ARG REPOSITORY_KEY=OSM%20ETSI%20Release%20Key.gpg
 ARG REPOSITORY=testing
 
diff --git a/test-docker/test-gen-devops.sh b/test-docker/test-gen-devops.sh
index a869031..3b85166 100755
--- a/test-docker/test-gen-devops.sh
+++ b/test-docker/test-gen-devops.sh
@@ -26,7 +26,7 @@
   --no-cache    Use if found problems looking for packages
   --update      Use to update OSM, RO docker with this image" && exit 0
 
-[[ "$*" == *--no-cache* ]] && no_cache="--no_cache" || no_cache=""
+[[ "$*" == *--no-cache* ]] && no_cache="--no-cache" || no_cache=""
 [[ "$*" == *--update* ]] && update_osm="k8s" || update_osm=""
 
 HERE=$(dirname $(readlink -f ${BASH_SOURCE[0]}))